Roller for substrate cleaning



FIG. 1 is a first perspective view observed from rear, right and top sides of a roller for substrate cleaning showing my new design;

FIG. 2 is a second perspective view observed from front, left and top sides thereof;

FIG. 3 is a front view thereof, a rear view being a mirror image thereof;

FIG. 4 is a top view thereof, a bottom view being identical thereto;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a roller for substrate cleaning, as shown and described. 